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1sna179726r0200 – ajs9 test socket screw
TE Connectivity AJS9 1SNA179726R0200 is a yellow insulated polyamide test socket with quick plug-in mounting for connecting 4 mm test probes to compatible ENTRELEC terminal block measurement circuits.
£2.17
Why Choose the TE Connectivity AJS9 Test Socket 1SNA179726R0200?
The TE Connectivity AJS9 1SNA179726R0200 is an insulated yellow test socket designed for convenient electrical testing and measurement on compatible ENTRELEC terminal block assemblies. Part of the established ENTRELEC test and measurement accessory range, it provides a dedicated connection point for test equipment without requiring technicians to disturb permanent field wiring.
The AJS9 uses a practical quick plug-in mounting system and accepts standard 4 mm diameter test probes. Its insulated polyamide housing helps provide a protected test interface, while the yellow colour enables straightforward visual identification within densely populated control panels and measurement circuits.
Designed for use with compatible ENTRELEC test and disconnect terminal blocks, including ZS10-ST series applications, the AJS9 is particularly suitable for current-transformer and potential-transformer measurement circuits. It supports convenient testing, monitoring and measurement operations in industrial switchgear, control panels and instrumentation systems.
Key Advantages
- Dedicated insulated test socket for compatible ENTRELEC terminal blocks.
- Accepts standard 4 mm test probes for convenient measurement connections.
- Quick plug-in mounting system simplifies installation.
- Yellow insulation provides clear visual identification within terminal assemblies.
- Supports testing and measurement without disturbing permanent field wiring.
- Suitable for current, voltage and instrumentation testing applications.
Key Features
- TE Connectivity / ENTRELEC AJS9 test socket.
- Insulated test socket construction.
- Yellow colour coding.
- Polyamide insulation.
- Compatible with 4 mm diameter test probes.
- Quick plug-in installation.
- Suitable for compatible ZS10-ST terminal block assemblies.
- Designed for industrial test and measurement circuits.
Convenient Test and Measurement Connectivity
Dedicated test sockets allow engineers to connect measurement equipment to terminal assemblies without loosening conductor connections or modifying permanent wiring. This can make commissioning, troubleshooting and routine maintenance faster while helping maintain an organised electrical installation.
The TE Connectivity AJS9 provides an insulated interface for standard 4 mm test probes and is suitable for measurement circuits involving meters, protection relays, current transformers and voltage transformers. Its yellow housing also makes the test point easy to identify during maintenance and commissioning procedures.
Typical Applications
- Industrial control panels and switchboards.
- Current-transformer measurement circuits.
- Potential-transformer and voltage measurement circuits.
- Protection relay testing and commissioning.
- Metering and instrumentation systems.
- Electrical maintenance and fault-finding applications.
Technical Specifications
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| Terminal Type | Disconnect / Test | |
|---|---|---|
| Product Series | TE SNA | |
| Connection | Screw clamp | |
| Colour | Yellow | |
| Manufacturer | TE Connectivity / ENTRELEC | |
| Series | AJ / ENTRELEC Test & Measurement | |
| Model | AJS9 | |
| Alternative designation | AJS9-YE | |
| Part number | 1SNA179726R0200 | |
| Product type | Insulated test socket | |
| Accessory type | Terminal block test accessory | |
| Colour | Yellow | |
| Insulation material | Polyamide | |
| Test probe diameter | 4 mm | |
| Mounting | Quick plug-in | |
| For use with | Compatible ENTRELEC test/disconnect terminals including ZS10-ST series | |
| Application | Electrical testing, measurement and monitoring | |
| Manufacturer packaging | Bag of 25 |
Frequently Asked Questions
What is the TE Connectivity AJS9 1SNA179726R0200 used for?
It is an insulated test socket that provides a convenient connection point for electrical test and measurement equipment on compatible ENTRELEC terminal block assemblies.
What size test probe fits the AJS9?
The AJS9 is designed to accept standard 4 mm diameter test probes.
What colour is 1SNA179726R0200?
This version of the AJS9 test socket is yellow and is also identified by the designation AJS9-YE.
Is the AJS9 test socket insulated?
Yes. The AJS9 is an insulated test socket with a polyamide insulating body for use in compatible terminal block test circuits.
Which terminal blocks can the AJS9 be used with?
The AJS9 is designed for compatible ENTRELEC test and disconnect terminal assemblies and is specified for applications including ZS10-ST series terminal blocks.
Trusted Industrial Test Connectivity
TE Connectivity ENTRELEC test and measurement accessories provide convenient connection points for commissioning, monitoring, measurement and maintenance of industrial electrical circuits without unnecessarily disturbing permanent field wiring.
